GIT Basics

 GitHub: It is a cloud based platform which provides distributed version control and source management system.

Alternative source mangement system:

• Github
• Bitbucket
• GitLab
• SVN

GIT Algorithm:

It will hash out of content (produces 40 char hex string)

It will create a file name same as hash

Zip up with your content and stored inside of file.

#git add test.txt

#cat test.txt | git hash-object --stdin

blob:

It is convert a file into hash file.

Hash algorithm will create a hash file according the file contents. It will not create a two dfferent hashing file if both both files are having a same contents.

#git write-tree : It will display the tree structure of GIT

#git cat-file -p hashfile : Read a content inside of hashfile

Git Commit:

Commit is a copy of snapshot. It will create a read only file whenever we performed a commit. The previous content or update will be there and would not be destroyed,

Merkle Tree: A tree structure in which each leaf node is a hash of a block data and non leaf node is a hash of its children.

Head:

Merge:

It merge one or more commit into branch.